Optical device



FIG. 1 is an isometric view of the first embodiment of the optical device of the present invention.

FIG. 2 is a front view of the first embodiment of the optical device of the present invention;

FIG. 3 is a side view of the first embodiment of the optical device of the present invention;

FIG. 4 is an isometric view of the second embodiment of the optical device of the present invention;

FIG. 5 is a front view of the second embodiment of the optical device of the present invention;

FIG. 6 is a side view of the second embodiment of the optical device of the present invention;

FIG. 7 is an isometric view of the third embodiment of the optical device of the present invention;

FIG. 8 is a front view of the third embodiment of the optical device of the present invention;

FIG. 9 is a side view of the third embodiment of the optical device of the present invention;

FIG. 10 is an isometric view of the fourth embodiment of the optical device of the present invention;

FIG. 11 is a front view of the fourth embodiment of the optical device of the present invention; and,

FIG. 12 is a side view of the fourth embodiment of the optical device of the present invention. 

CLAIM The ornamental design for optical device, as shown and described. 